[sdiy] Molding your own keycaps for tactile switches?

[Jeff Farr]

Has anyone tried this? I recently stocked up on a variety of tactiles on 
ebay, assuming that the caps wouldn't be too hard to find... Much to my 
surprise these seem quite rare, and certainly lacking in variety. Mostly 
black circles and squares, ho-hum. I remember reading about how some people 
were molding plastics to make their own knobs and such (on another forum, I 
believe) and the designs I want and pretty simple in terms of shaps, no 
embedded LED's for the most part. Has anyone worked with this kinda thing? 
What I'd really like is a soft-touch rubber material in several colors... 
But I'm clueless where to start. Elastomers?
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